New Message In Public Channel Create Message
Slack Events API webhook trigger for message.channels events.
Slack New Message In Private Channel to Claude Create Message (with Attachments)
How this workflow works
Step 1
New Message In Private Channel•Slack
To enable this trigger, the user must be a member of the private channel.
Step 2
Create Message (with Attachments)•Claude
Sends a prompt to a Claude model along with zero or more attachments — images (PNG/JPEG/GIF/WEBP), PDFs, or plain text/CSV/JSON/Markdown files — supplied as a Base64 string, a Base64 array, an attachment object, or a URL array. Attachments are normalized into Claude's Messages API content blocks automatically. Claude's API does not accept Word/Excel/PowerPoint files directly; convert these to PDF first.
New Message In Private Channel
Slack
Create Message (with Attachments)
Claude
Connect Slack + Claude to Automate these Workflows
New Message In Public Channel Create Message (with Attachments)
Slack Events API webhook trigger for message.channels events.
New Message In Private Channel Create Message
To enable this trigger, the user must be a member of the private channel.
New Message In Private Channel Create Message (with Attachments)
To enable this trigger, the user must be a member of the private channel.
New Channel Create Message
Slack Events API webhook trigger for channel_created events.
New Channel Create Message (with Attachments)
Slack Events API webhook trigger for channel_created events.
Channel Deleted Create Message
Slack Events API webhook trigger for channel_deleted events.
Channel Deleted Create Message (with Attachments)
Slack Events API webhook trigger for channel_deleted events.
User Updated (Instant) Create Message
Slack Events API webhook trigger for user_change events.
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